Dea sits next to 5 phonetic neighbors — Dea, Rhea, and Bea are the closest matches by sound. Most share Dea's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"goddess, divine being"
"small, humble"
"bright, white"
"swift, light"
"from the round hill"
"serpent-like, winding"
"grain mother"
"of the Khasi people, born of the Khasi"
"from Jerez (the wine region)"
"night, dark beauty (beautiful night)"
"God will add, God will increase"
"defender of men"
"laurel-crowned, victorious"
"son of Maud"
"tested by time, enduring"
Similar sound: These names share phonetic patterns with Dea — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Dea.
Rhythm: Dea is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.